As stated on White Castle's website, their restaurants and all their subsidiaries are privately owned and operated. The company does not franchise or offer stock options, and finances its expansion solely through retained earnings.
White Castle is one of the oldest hamburger restaurant chain in the U.S., serving up steam-grilled hamburgers (referred to as "sliders") to millions of customers since 1921. They have over 350 locations in the Midwest and Eastern U.S.
If you have other questions about the business, you may contact White Castle on 1-800-THE-CRAVE.
In restaurant buzz, in a recent poll of hamburger historians, the White Castle Original Slider was named TIME magazine’s most influential burger ever. Find more recent news about White Castle here.